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Standard Repair Process
Error
symptom
☞A6
Check color by input
-External Input
-COMPONENT
-AV
-HDMI
☞A8
Check Test pattern
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2016 LG Electronics Inc. All rights reserved.
Only for training and service purposes
A. Video error
Color error
☞ A7
※ Check
and replace
Y
Link Cable
Color
error?
(V by one)
and contact
N
condition
Check error
color input
mode
External Input/
Component
error
HDMI
error
Established
Revised date
Y
Color
Replace Main B/D
error?
N
Check
External device
external
/Cable
device and
normal
cable
Request repair
for external
device/cable
Check external
External device
device and
/Cable
cable
normal
4
date
Y
Color
Replace module
error?
N
End
Y
Replace Main/T-con B/D
N
N
Y
Replace Main/T-con B/D
4/16
LGE Internal Use Only
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